| APA | GTGR. (2012, February 16). In Acronym Geek. Retrieved 19:29, February 16, 2012, from http://www.acronymgeek.com/GTGR |
| MLA | "GTGR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTGR>. |
| MHRA | 'GTGR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTGR> [accessed 16 February 2012] |
| Chicago | "GTGR", http://www.acronymgeek.com/GTGR (accessed February 16, 2012). |
| CBE/CSE | GTGR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTGR. |
| Bluebook | GTGR, http://www.acronymgeek.com/GTGR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTGR, http://www.acronymgeek.com/GTGR (optional description here) (as of Feb. 16, 2012, 19:29). |
| AMA | GTGR. Acronym Geek. February 16, 2012, 19:29. Available at: http://www.acronymgeek.com/GTGR. Accessed February 16, 2012, 19:29. |